21900270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104287}}^1$

素因数の和:104304

約数の個数: 32

約数和(自身を含む): 60069888

約数和(自身を除く): 38169618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104287, 208574, 312861, 521435, 625722, 730009, 1042870, 1460018, 1564305, 2190027, 3128610, 3650045, 4380054, 7300090, 10950135, 21900270]

約数ペア:

[(1, 21900270), (2, 10950135), (3, 7300090), (5, 4380054), (6, 3650045), (7, 3128610), (10, 2190027), (14, 1564305), (15, 1460018), (21, 1042870), (30, 730009), (35, 625722), (42, 521435), (70, 312861), (105, 208574), (210, 104287)]